Absorbing water from the soil
Xylem is transport tissue found in vascular plants. The function xylem is to transport water from the roots to shoots. It is also used to replace the water loss during transpiration and photosynthesis. The xylem sap has water and inorganic ions . The transport of water is done true passive process. Transporting water to the top of the tree becomes difficult that is why xylem is also condsidered to limit the height of trees
I am almost positive that the answer is D all of the above because The Calvin Cycle was discovered and named after Melvin Calvin, It is part of the light independent reactions and it does produce glucose
Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population.
Usually it is expressed as a proportion or a percentage.
In population genetics, allele frequencies show the genetic diversity of a species population or equivalently the richness of its gene pool.
The frequencies of all the alleles of a given gene often are graphed together as an allele frequency distribution histogram.
Population genetics studies the different "forces" that might lead to changes in the distribution and frequencies of alleles - in other words, to evolution.
Besides selection, these forces include genetic drift, mutation and migration.
A state in which opposing forces are balanced
